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Add GHCR cleanup workflow to delete old container images #3136

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0b4210f
Add GHCR cleanup workflow to delete old container images
AnjaliMishra1st Mar 20, 2026
38a6b8c
Update cleanup schedule and increase versions to keep
AnjaliMishra1st Mar 20, 2026
e049c7a
Add ignore-versions parameter to cleanup workflow
AnjaliMishra1st Apr 5, 2026
10dec94
Update cleanup-ghcr.yml
AnjaliMishra1st Apr 9, 2026
ce49913
Merge branch 'main' into patch-1
puckpuck Apr 9, 2026
c7d6103
Refactor dry-run input and update cleanup logic
AnjaliMishra1st Apr 10, 2026
fc73ba1
Potential fix for pull request finding
AnjaliMishra1st Apr 10, 2026
f4612e5
Update cleanup-ghcr.yml
AnjaliMishra1st Apr 10, 2026
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64 changes: 64 additions & 0 deletions .github/workflows/cleanup-ghcr.yml
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# Copyright The OpenTelemetry Authors
# SPDX-License-Identifier: Apache-2.0

name: Cleanup GHCR Images

on:
schedule:
- cron: '0 3 * * 0'
workflow_dispatch:
Comment on lines +6 to +9
inputs:
dry_run:
description: "Run in dry-run mode (no deletion)"
required: false
default: "true"

jobs:
cleanup:
runs-on: ubuntu-latest

steps:
- name: Checkout repository
uses: actions/checkout@v3
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@Kielek Kielek Apr 10, 2026

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All other GH actions pins versions to the exact commit + tag comment.
It should be applied also here.

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@AnjaliMishra1st AnjaliMishra1st Apr 10, 2026

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Good catch, I’ve updated this to use a pinned commit SHA and added a version comment for consistency with other workflows.

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@Kielek Kielek Apr 10, 2026

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After hash add some comment related to version, see other files


- name: Install GitHub CLI
run: sudo apt-get update && sudo apt-get install gh -y
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@Kielek Kielek Apr 10, 2026

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are you sure that it is needed? I think that GitHub CLI should be available by default on all-defualt runmers.

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@AnjaliMishra1st AnjaliMishra1st Apr 10, 2026

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You're right, I’ve removed the installation step since GitHub CLI is already available on default runners.


- name: Authenticate GitHub CLI
run: echo "${{ secrets.GITHUB_TOKEN }}" | gh auth login --with-token
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@Kielek Kielek Apr 10, 2026

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I think that this one is also not-necessary. In OTel .NET repository there is usage of gh-cli, but there is no need to login.

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@AnjaliMishra1st AnjaliMishra1st Apr 10, 2026

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Thanks for pointing this out, removed the unnecessary authentication step.


- name: List and clean nightly images
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
DRY_RUN: ${{ github.event.inputs.dry_run || 'true' }}
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run: |
echo "Dry run mode: $DRY_RUN"

versions=$(gh api \
-H "Accept: application/vnd.github+json" \
/orgs/open-telemetry/packages/container/otel-demo/versions \
--jq '.[].id')
Comment on lines +34 to +38

for version in $versions; do
tags=$(gh api \
-H "Accept: application/vnd.github+json" \
/orgs/open-telemetry/packages/container/otel-demo/versions/$version \
--jq '.metadata.container.tags[]?')

for tag in $tags; do
if [[ "$tag" == nightly-* ]]; then
echo "Found nightly image: $tag (version: $version)"

if [ "$DRY_RUN" = "true" ]; then
echo "[DRY RUN] Would delete version ID: $version"
else
echo "Deleting version ID: $version"
gh api --method DELETE \
-H "Accept: application/vnd.github+json" \
/orgs/open-telemetry/packages/container/otel-demo/versions/$version
fi
else
Comment on lines +34 to +60
echo "Skipping non-nightly tag: $tag"
fi
done
done